GB/T 12459  弯头 DN 15-Ⅱ-390ELTb=0FM Sch6

DN 15-Ⅱ-3 90ELTb=0FM Sch6

WN 15(B)-16 RF S=3FpchFCH64R0SSSCH40S@F00FFRFS SC16 RFe6标/56

SO100-300 T S=6.5

SW 22"-900 LM

SOP FF 10K 50A

BI 1200R

WN 2"-150 RF Sch80S

SO100-300 T S=1

PJ/SE 150(B)-16 RF S=3

PL100(B)-10 RF20592-2009JScF&Sch